Indium Corporation
From One Engineer to Another®

The Real Green

Tuesday, April 28, 2009 by Jim Hisert [Jim Hisert]

One of these chameleons was my former pet, the other was a fake model.  Interestingly, they are the same if you only ask certain questions about them.

·          Is it green?

·          Is it a lizard?

·          Does it have four legs?

The difference becomes apparent when you start asking the right questions

  • Does it change color?
  • What does it eat?
  • Is it alive?

You must also ask the proper questions regarding halogen-free ball attach fluxes and flip-chip fluxes.

  • How is it tested?
  • What is the ppm level of Br, Cl, F?
  • Does the material pass per j-std-709?

 

Make sure your getting the “Real Green”.

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